A circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. It has a solid cross-section and two flat parallel bearing surfaces. The distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. The diameter of the centrally located hole must exceed 75 percent of the outside diameter. Excludes laminated items. For items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see gasket. For items manufactured from lubricated plastics, see bearing, washer, thrust. For items manufactured from lubricated felt, see felt, mechanical, preformed. Excludes disk, valve; insulator washer; and shim. See also spacer, plate and spacer, sleeve.
Classification: Articles of aluminum nesoi
NSN 6150-01-646-5178
NSN 6645-01-492-5304
NSN 5945-01-220-6449
NSN 6610-01-581-3692
NSN 6220-01-053-4412
NSN 6685-01-238-3790
NSN 5920-01-068-5846
NSN 6145-01-044-5278
NSN 5990-01-429-6211
NSN 6135-00-321-6707
NSN 5950-01-531-4596
NSN 5975-00-571-8467